Revert "Update to 2014.07"

This reverts commit 55ce8a47370b10c3c9dc853b967f824de1b19452.
Add Linaro GCC 4.9.1-2014.07 Toolchain optimized for Cortex-A9 cpu

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                    TOOLCHAIN arm-cortex_a9-linux-gnueabihf-linaro_4.9.1-2014.07

- Built using latest Linaro Crosstool-NG toolchain builder (linaro-1.13.1)
- Cortex-A9 specific settings for target architecture and target optimizations:
    CT_ARCH_ARCH="armv7-a"
    CT_ARCH_CPU="cortex-a9"
    CT_ARCH_TUNE="cortex-a9"
    CT_ARCH_FPU="neon"
    CT_ARCH_FLOAT_HW=y
    CT_ARCH_FLOAT="hard"
    CT_ARCH_SUPPORT_SOFTFP=y
    CT_ARCH_ARM_MODE="arm"
    CT_ARCH_ARM_MODE_ARM=y

- Linux Kernel 3.4.99
- Linaro GCC 4.9-2014.07 (4.9.1)
- Linaro Binutils 2.24-2014.07
- Linaro EGLibc 2.19-2014.07
- Linaro GDB 7.7.1-2014.06
- GMP 5.1.3
- MPFR 3.1.2
- ISL 0.12.2
- CLOOG 0.18.1
- MPC 1.0.2
- Hard float with soft float support
- Alias "arm-eabi-"